| Tail Number / N-Number | N781SK |
| Manufacturer | KARPELOWITZ STANLEY |
| Model | CHRISTEN EAGLE-II |
| Manufacturer's Serial Number | KARPELOWITZ-001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | BIRDWELL LARRY D |
| Street | 435 WINDY LN |
| City | CEDAR HILL |
| State | TX |
| Zip Code | 75104-3736 |
| Region | Southwestern |
| County | Dallas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1982-10-20 |
| Certificate Issue Date | 1993-09-10 |
| Last Action Date | 2021-06-21 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 52512727 |
| Mode S Code Hex | AA95D7 |